/*
 * Copyright [2013-2021], Alibaba Group Holding Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.polardbx.executor.operator.util;

import com.alibaba.polardbx.optimizer.chunk.Chunk;
import com.alibaba.polardbx.optimizer.context.ExecutionContext;
import com.alibaba.polardbx.optimizer.core.datatype.DataType;

import java.util.List;

public class ChunkHashSet {

    private GroupOpenHashMap groupOpenHashMap;

    public ChunkHashSet(DataType[] inputType, int expectedSize, int chunkSize, ExecutionContext context) {
        groupOpenHashMap = new GroupOpenHashMap(inputType, expectedSize, chunkSize, context);
    }

    public void addChunk(Chunk chunk) {
        for (int i = 0; i < chunk.getPositionCount(); i++) {
            put(chunk, i);
        }
    }

    public void put(Chunk chunk, int position) {
        groupOpenHashMap.innerPut(chunk, position, -1);
    }

    public long estimateSize() {
        return groupOpenHashMap.estimateSize();
    }

    public List<Chunk> buildChunks() {
        return groupOpenHashMap.buildGroupChunks();
    }
}
